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wutcrt: Make sure main is called with a 8 byte aligned stack pointer #248

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merged 1 commit into from
Jul 27, 2022
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wutcrt: Make sure main is called with a 8 byte aligned stack pointer #248

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20 changes: 10 additions & 10 deletions libraries/wutcrt/crt0_rpl.s
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,11 @@
.section .crt0, "ax", @progbits
.global __rpl_start
__rpl_start:
stwu 1, -0x14(1)
stwu 1, -0x10(1)
mflr 0
stw 0, 0x18(1)
stw 3, 0xC(1)
stw 4, 0x10(1)
stw 0, 0x14(1)
stw 3, 0x8(1)
stw 4, 0xC(1)
cmpwi 3, 2
beq unload

Expand All @@ -20,17 +20,17 @@ load:
# rpl files use wutmalloc instead of the custom heap
bl __init_wut_malloc
bl __eabi
lwz 3, 0xC(1)
lwz 4, 0x10(1)
lwz 3, 0x8(1)
lwz 4, 0xC(1)
bl rpl_entry
addi 1, 1, 0x14
addi 1, 1, 0x10
blr

unload:
# Handle unload
lwz 3, 0xC(1)
lwz 4, 0x10(1)
lwz 3, 0x8(1)
lwz 4, 0xC(1)
bl rpl_entry
addi 1, 1, 0x14
addi 1, 1, 0x10
b exit

14 changes: 7 additions & 7 deletions libraries/wutcrt/crt0_rpx.s
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Original file line number Diff line number Diff line change
Expand Up @@ -7,16 +7,16 @@
.section .crt0, "ax", @progbits
.global __rpx_start
__rpx_start:
stwu 1, -0x14(1)
stwu 1, -0x10(1)
mflr 0
stw 0, 0x18(1)
stw 3, 0xC(1)
stw 4, 0x10(1)
stw 0, 0x14(1)
stw 3, 0x8(1)
stw 4, 0xC(1)
bl __init_wut
lwz 3, 0xC(1)
lwz 4, 0x10(1)
lwz 3, 0x8(1)
lwz 4, 0xC(1)
bl main
addi 1, 1, 0x14
addi 1, 1, 0x10
b exit

# -----------------------------------
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